PL SQL Online Modal free tests

Thank you very much for taking test

Test your caliber

1. Which of the following statements is true about implicit cursors?
Implicit cursors are used for SQL statements that are not named	Developers should use implicit cursors with great care
Implicit cursors are used in cursor for loops to handle data processing	Implicit cursors are no longer a feature in Oracle

2. Which of the following is not a feature of a cursor FOR loop?
Record type declaration	Opening and parsing of SQL statements
Fetches records from cursor	Requires exit condition to be defined

3. A developer would like to use referential datatype declaration on a variablE. The variable name is EMPLOYEE_LASTNAME, and the corresponding table and column is EMPLOYEE, and LNAME, respectively. How would the developer define this variable using referential datatypes?
Use employee.lname%type	Use employee.lname%rowtype
Look up datatype for EMPLOYEE column on LASTNAME table and use that	Declare it to be type LONG

4. Which three of the following are implicit cursor attributes?
%found	%too_many_rows
%notfound	%rowcount

5. If left out, which of the following would cause an infinite loop to occur in a simple loop?
LOOP	END LOOP
IF-THEN	EXIT

6. Which line in the following statement will produce an error?
cursor action_cursor is	select name, rate, action
into action_record	from action_table;

7. The command used to open a CURSOR FOR loop is_______.
open	fetch
parse	None, cursor for loops handle cursor opening implicitly

8. What happens when rows are found using a FETCH statement.
It causes the cursor to close	It causes the cursor to open
It loads the current row values into variables	It creates the variables to hold the current row values

9. What is the maximum number of handlers processed before the PL/SQL block is exited when an exception occurs?
Only one	All that apply
All referenced	None

10. For which trigger timing can you reference the NEW and OLD qualifiers?
Statement and Row	Statement only
Row only	Oracle Forms trigger

11. PL/SQL subprograms, unlike anonymous blocks, are compiled each time they are executed. True or False?
True	False

12. Subprograms and anonymous blocks can be called by other applications.
True	False

13. A nested subprogram can be called from the main procedure or from the calling environment. True or False?
True	False

14. When modifying procedure code, the procedure must be re-executed to validate and store it in the database.
True	False

15. Which of the following can be used as an argument for a procedure parameter?
The name of a variable	A literal value
An expression	All of the above

16. If you don't specify a mode for a parameter, what is the default mode?
OUT	IN
COPY	DEFAULT

17. Which kind of parameters cannot have a DEFAULT value?
OUT	IN
CONSTANT	R(ead)

18. What are the three parameter modes for procedures?
IN, OUT, IN OUT	R(ead), W(rite), A(ppend)
CONSTANT, VARIABLE, DEFAULT	COPY, NOCOPY, REF

19. Which one of the following statements about formal and actual parameters is true?
Formal and actual parameters must have the same name	Formal and actual parameters must have different names
A formal parameter is declared within the called procedure, while an actual parameter is declared in thecalling environment	An actual parameter is declared within the called procedure

20. What is the correct syntax to create procedure MYPROC that accepts two number parameters X and Y?
CREATE PROCEDURE myproc (x NUMBER, y NUMBER) IS ...	CREATE PROCEDURE (x NUMBER, y NUMBER) myproc IS ...
CREATE PROCEDURE myproc IS (x NUMBER, y NUMBER) ...	CREATE PROCEDURE IS myproc (x NUMBER, y NUMBER) ....